<!DOCTYPE html>
<html>

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Web-Bench Expression Editor</title>
  <style>
    .tooltip {
      position: absolute;
      background-color: #f9f9f9;
      color: #333;
      padding: 5px 10px;
      border-radius: 4px;
      border: 1px solid #ccc;
      font-size: 14px;
      z-index: 1000;
      box-shadow: 0 2px 5px rgba(0,0,0,0.2);
      max-width: 300px;
      display: none;
    }
  </style>
</head>

<body>
  <div id="app"></div>

  <script type="module" src="./index.js"></script>
</body>

</html>